[vala/wip/issue/658: 33/48] Reduced anonymous delegate syntax

[Rico Tzschichholz <ricotz src gnome org>]

commit 65a75b89710b6c201af35417fa7ddf7cb5c975d9
Author: Nick Schrader <nick schrader mailbox org>
Date:   Tue Oct 20 16:27:57 2020 -0300

    Reduced anonymous delegate syntax

 vala/valaparser.vala | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 77bbb9222..551c6251a 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -3701,7 +3701,11 @@ public class Vala.Parser : CodeVisitor {
        Parameter parse_anonymous_parameter (int id) throws ParseError {
                var attrs = parse_attributes ();
                var begin = get_location ();
-               bool params_array = accept (TokenType.PARAMS);
+
+               if (accept (TokenType.PARAMS)) {
+                       Report.error (get_last_src (), "Params-arrays not allowed in anonymous delegates");
+               }
+
                var direction = ParameterDirection.IN;
                if (accept (TokenType.OUT)) {
                        direction = ParameterDirection.OUT;
@@ -3723,10 +3727,13 @@ public class Vala.Parser : CodeVisitor {
 
                type = parse_inline_array_type (type);
 
+               if (accept (TokenType.ASSIGN)) {
+                       Report.error (get_last_src (), "Optional paramters not allowed in anonymous 
delegates");
+               }
+
                var param = new Parameter ("p%i".printf (id), type, get_src (begin));
                set_attributes (param, attrs);
                param.direction = direction;
-               param.params_array = params_array;
                return param;
        }
 
@@ -3737,7 +3744,6 @@ public class Vala.Parser : CodeVisitor {
 
                var begin = get_location ();
                expect (TokenType.DELEGATE);
-               var type_param_list = parse_type_parameter_list ();
 
                expect (TokenType.OPEN_PARENS);
                var param_list = new ArrayList<Parameter>();
@@ -3755,11 +3761,7 @@ public class Vala.Parser : CodeVisitor {
 
                var d = new Delegate ("__delegate%i_".printf (next_anonymous_id++), type, get_src (begin), 
comment);
                d.anonymous = true;
-               //FIXME d.access = parent.access;
-
-               foreach (var type_param in type_param_list) {
-                       d.add_type_parameter (type_param);
-               }
+               d.access = method.access;
 
                foreach (var param in param_list) {
                        d.add_parameter (param);